Posterior septal branches of sphenopalatine artery

Looks like

Branches of the sphenopalatine artery running across the roof of the nose and forward along the nasal septum.

What it does

Supply the back and middle of the septum and meet other arteries at the front (Kiesselbach's area).

Keeping it well

Used as a flap to repair the skull base after endoscopic surgery; can cause brisk posterior nosebleeds.

Related conditions

• Carotid artery stenosis
• High blood pressure
• High cholesterol
• Hypothermia & frostbite
• Kawasaki disease
• Metabolic syndrome
• Orthostatic hypotension & POTS
• Peripheral artery disease
• Phaeochromocytoma & hyperaldosteronism
• Pre-eclampsia
• Raynaud's phenomenon
• Sepsis
• Shock (circulatory failure)
• Takayasu arteritis
• Vasculitis (GCA & others)